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