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