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