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