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