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