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