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