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