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