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