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