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