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