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