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