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