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