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