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