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