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