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