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