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