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