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