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