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)(16,27,30,43)(18,32,29,23)(20,35,37,31)(24,39,28,42)(26,34,40,38)(33,41,36,44)(5,7)(6,9)(8,12)(10,11)(13,15,17,25)(14,19,22,21)(16,28,30,24)(18,26,29,40)(20,36,37,33)(23,34,32,38)(27,39,43,42)(31,44,35,41)(6,10)(9,11)(13,16,29,35,17,30,18,31)(14,20,32,43,22,37,23,27)(15,24,40,44,25,28,26,41)(19,33,38,39,21,36,34,42)(7,12)(9,11)(13,15)(14,21)(16,28)(17,25)(18,26)(19,22)(20,33)(23,38)(24,30)(27,42)(29,40)(31,44)(32,34)(35,41)(36,37)(39,43) involution — undirected(1,3,4,2)(6,10)(9,11)(14,22)(15,25)(16,30)(23,32)(26,40)(31,35)(33,36)(39,42)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.