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