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