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