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