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