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