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