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