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