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