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