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