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