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