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