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