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