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