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