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