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