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