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