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