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