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