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