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