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