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