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