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)(16,27)(17,21)(18,22)(20,29)(23,35)(24,38)(25,34)(26,33)(28,32)(30,41)(31,37)(36,42)(39,43)(40,44) involution — undirected(2,3)(6,9)(10,12)(13,15,17,25)(14,19,21,34)(16,28,29,23)(18,24,31,26)(20,35,27,32)(22,38,37,33)(30,39,42,40)(36,44,41,43)(1,2,4,3)(5,7,8,11)(6,10,9,12)(13,16)(14,20)(15,23)(17,29)(18,30)(19,32)(21,27)(22,36)(24,40)(25,28)(26,39)(31,42)(33,44)(34,35)(37,41)(38,43)(1,3,4,2)(14,21)(15,24)(16,29)(18,31)(19,33)(23,39)(25,26)(28,40)(32,43)(34,38)(35,44)(36,41)(6,9)(10,12)(14,21)(16,29)(19,34)(22,37)(23,28)(30,42)(33,38)(39,40) 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.