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