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