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