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