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