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