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