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