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