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