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