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