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