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