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