Crayton is an extension assistant director in the Alabama Cooperative Extension System and a professor in the College of Human Sciences' Department of Nutrition, Dietetics and Hospitality at Auburn University, where she has been employed since 1977. Previously, she was a home economist at Tuskegee (Institute) University and a therapeutic dietitian at hospitals in St Louis, MO.
From 2005 to 2008, Crayton was a Professional Issues Delegate (Community) to the Academy's House of Delegates. She was a House of Delegates Director on the Academy's Board from 2008 to 2010 and served on the House Leadership Team for two years.
She is in her third year as an At-Large member of the Academy's Board. Crayton served as chair of the Nutrition Education for the Public Dietetic Practice Group and its membership committee and is a past president of the Alabama Dietetic Association. She held offices at all levels of the district association. Crayton served for three years on Auburn University's Diversity Leadership Council and is a three-time recipient of the March of Dimes' Hero Award.
Crayton is a graduate of Grambling State University. She completed her dietetics internship and received a master’s degree from St. Louis University, and received a doctorate in vocational and adult education from Auburn University.