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