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