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