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