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