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