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