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