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