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