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