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