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