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