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