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