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