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)(13,14,18,22)(15,23,24,19)(16,26,27,20)(17,25,28,21)(29,30,34,37)(31,38,35,32)(33,36,42,44)(39,43,41,40)(7,11)(9,12)(15,24)(17,28)(19,23)(21,25)(29,31,34,35)(30,32,37,38)(33,39,42,41)(36,40,44,43)(5,6,8,10)(7,9,11,12)(13,15,18,24)(14,19,22,23)(16,21,27,25)(17,26,28,20)(29,31)(30,32)(33,41)(34,35)(36,43)(37,38)(39,42)(40,44)(1,2,3,4)(5,6)(7,9)(8,10)(11,12)(13,16,18,27)(14,20,22,26)(15,25,24,21)(17,19,28,23)(29,32)(30,35)(31,37)(33,40)(34,38)(36,41)(39,44)(42,43)(5,7)(6,9)(8,11)(10,12)(13,17,18,28)(14,21,22,25)(15,26,24,20)(16,19,27,23)(29,33)(30,36)(31,39)(32,40)(34,42)(35,41)(37,44)(38,43)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.