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