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