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