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