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)(24,30)(25,29)(26,28)(27,33)(32,36)(34,35)(5,7)(6,10)(8,14)(9,13)(11,17)(12,16)(15,19)(18,20)(21,23,26,32)(22,27,28,35)(24,33,25,34)(29,31,30,36)(1,2,3,4)(7,13)(8,15)(10,16)(11,18)(22,28)(23,32)(29,30)(33,34)(5,8,9,15)(6,11,12,18)(7,14,13,19)(10,17,16,20)(21,24,26,25)(22,29,28,30)(23,33,32,34)(27,31,35,36)(7,13)(10,16)(14,19)(17,20)(23,32)(27,35)(31,36)(33,34) 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.