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