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