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