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