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