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