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