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