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