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