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