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