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