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