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