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)(13,14,16,18)(15,19,20,17)(21,22)(23,28)(24,32)(25,30)(26,27)(29,35)(31,36)(33,34)(5,6,10,8)(7,11,9,12)(13,14,16,18)(15,17,20,19)(22,27)(23,30)(29,32)(31,33)(5,7,10,9)(6,11,8,12)(13,14)(15,17)(16,18)(19,20)(21,23,26,30)(22,28,27,25)(24,33,35,31)(29,36,32,34)(1,2,3,4)(5,8,10,6)(7,12,9,11)(21,24)(22,29)(23,31)(25,36)(26,35)(27,32)(28,34)(30,33)(5,9,10,7)(6,12,8,11)(13,15,16,20)(14,17,18,19)(21,25,26,28)(22,30,27,23)(24,34,35,36)(29,31,32,33)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.