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