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