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