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