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