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