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