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