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