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