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