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