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