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