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