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