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