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