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