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