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