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