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