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