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