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