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