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