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