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