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