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