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