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