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