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