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