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