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