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