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