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