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