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