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