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