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