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