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