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)(19,24,21,26)(20,30,22,25)(28,32,29,31)(33,34)(35,40)(36,43)(37,39)(38,45)(41,47)(42,44)(46,48)(1,2)(3,8)(4,9)(5,10)(6,7)(11,13)(12,15)(14,16)(17,19,23,21)(18,24,27,26)(20,29,22,28)(25,32,30,31)(33,35,39,43)(34,36,37,40)(38,42,47,46)(41,44,45,48)(17,20,23,22)(18,25,27,30)(19,28,21,29)(24,31,26,32)(33,36,39,40)(34,35,37,43)(38,44,47,48)(41,42,45,46)(1,3,6,10)(2,8,7,5)(4,12,14,11)(9,15,16,13)(17,21,23,19)(18,26,27,24)(20,28,22,29)(25,31,30,32)(33,37,39,34)(35,40,43,36)(38,45,47,41)(42,48,46,44)(1,4,6,14)(2,9,7,16)(3,11,10,12)(5,15,8,13)(17,22,23,20)(18,25,27,30)(19,29,21,28)(24,31,26,32)(33,35)(34,40)(36,37)(38,46)(39,43)(41,44)(42,47)(45,48)(1,5,6,8)(2,10,7,3)(4,13,14,15)(9,11,16,12)(17,18)(19,24)(20,25)(21,26)(22,30)(23,27)(28,31)(29,32)(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.