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