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