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