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