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