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