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