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