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