One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,8)(4,10)(5,11)(6,16)(7,9)(12,15)(13,14)(17,18,22,20)(19,25,27,23)(21,28,30,24)(26,31,29,32)(1,3,7,6)(2,8,9,16)(4,12,14,11)(5,10,15,13)(18,20)(23,25)(24,28)(31,32)(33,34,39,43)(35,44,46,40)(36,38,42,48)(37,41,45,47)(2,9)(3,6)(4,14)(5,15)(17,19,22,27)(18,23,20,25)(21,29,30,26)(24,32,28,31)(33,35,39,46)(34,40,43,44)(36,37,42,45)(38,47,48,41)(1,4)(2,10)(3,12)(5,16)(6,11)(7,14)(8,15)(9,13)(17,19)(18,23)(20,25)(21,26)(22,27)(24,31)(28,32)(29,30)(33,36,39,42)(34,38,43,48)(35,45,46,37)(40,41,44,47)(1,5,7,15)(2,11,9,12)(3,13,6,10)(4,8,14,16)(17,20,22,18)(19,23,27,25)(21,28,30,24)(26,31,29,32)(33,37,39,45)(34,41,43,47)(35,36,46,42)(38,40,48,44)(1,6,7,3)(2,8,9,16)(4,11,14,12)(5,10,15,13)(17,21,22,30)(18,24,20,28)(19,26,27,29)(23,31,25,32)(33,38)(34,42)(35,41)(36,43)(37,40)(39,48)(44,45)(46,47)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.