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