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