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