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