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