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