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