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