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