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