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