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