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