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