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