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