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