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