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