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