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