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