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