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