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