One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,11)(8,12)(9,10)(13,14,19,25)(15,27,31,21)(16,32,35,39)(17,36,33,43)(18,26,20,24)(22,29,42,34)(23,37,41,28)(30,40,38,44)(2,4)(6,10)(11,12)(13,15,19,31)(14,21,25,27)(16,33,35,17)(18,30,20,38)(22,41,42,23)(24,40,26,44)(28,29,37,34)(32,36,39,43)(5,7,9,8)(6,11,10,12)(13,16,18,29,19,35,20,34)(14,22,24,39,25,42,26,32)(15,28,38,17,31,37,30,33)(21,36,44,23,27,43,40,41)(1,2,3,4)(13,17,18,37,19,33,20,28)(14,23,24,43,25,41,26,36)(15,29,38,35,31,34,30,16)(21,39,44,42,27,32,40,22)(5,8,9,7)(6,11,10,12)(13,18,19,20)(14,24,25,26)(15,30,31,38)(16,34,35,29)(17,37,33,28)(21,40,27,44)(22,32,42,39)(23,43,41,36)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.