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