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