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