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