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