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