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