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