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