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