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