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