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