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