One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6)(7,10)(8,9)(11,12)(13,14)(15,20)(16,27)(17,22)(18,32)(19,23)(21,30)(24,38)(25,34)(26,36)(28,41)(29,37)(31,35)(33,40)(39,44)(42,43)(1,2,4,3)(6,9)(7,11)(13,15,19,26)(14,20,23,36)(16,24,28,39)(17,31,18,25)(21,33,37,43)(22,35,32,34)(27,38,41,44)(29,42,30,40)(1,3,4,2)(13,16,18,30,19,28,17,29)(14,21,22,27,23,37,32,41)(15,24,25,40,26,39,31,42)(20,33,35,38,36,43,34,44)(5,7,8,11)(6,10,9,12)(16,28)(21,37)(24,39)(27,41)(29,30)(33,43)(38,44)(40,42)(6,9)(10,12)(13,17,19,18)(14,22,23,32)(15,25,26,31)(16,29,28,30)(20,34,36,35)(21,27,37,41)(24,40,39,42)(33,44,43,38)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.