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