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