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