One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(5,6,8,10)(7,11,12,9)(13,14,20,25)(15,26,30,40)(16,31,33,42)(17,34,32,44)(18,36,19,24)(21,37,41,29)(22,38,39,28)(23,27,43,35)(1,2,4,3)(5,7,8,12)(6,9,10,11)(13,15,19,37,20,30,18,29)(14,21,36,40,25,41,24,26)(16,32,38,35,33,17,28,27)(22,34,42,23,39,44,31,43)(1,3,4,2)(13,16,18,28,20,33,19,38)(14,22,24,31,25,39,36,42)(15,27,29,17,30,35,37,32)(21,23,26,34,41,43,40,44)(13,17,19,27,20,32,18,35)(14,23,36,44,25,43,24,34)(15,28,37,16,30,38,29,33)(21,39,40,31,41,22,26,42)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.