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