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