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