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