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