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)(16,28,30,42)(17,22,18,32)(21,29,36,31)(24,37,40,44)(25,34,27,41)(33,38,43,39)(5,7)(6,9)(8,12)(10,11)(13,15,19,26)(14,20,23,35)(16,24,30,40)(17,25,18,27)(21,33,36,43)(22,34,32,41)(28,37,42,44)(29,38,31,39)(13,16,18,31,19,30,17,29)(14,21,22,28,23,36,32,42)(15,24,27,39,26,40,25,38)(20,33,34,37,35,43,41,44)(7,12)(9,11)(13,17,19,18)(14,22,23,32)(15,25,26,27)(16,29,30,31)(20,34,35,41)(21,28,36,42)(24,38,40,39)(33,37,43,44)(1,3,4,2)(6,10)(9,11)(15,26)(16,30)(20,35)(21,36)(25,27)(28,42)(29,31)(34,41)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.