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