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