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