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