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