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