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