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