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