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