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