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