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