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