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