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