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