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