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