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