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