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