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