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