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