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