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