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