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