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