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