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