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