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