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