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