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