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