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