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