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