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