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)(17,18,22,19)(20,23,27,25)(21,26,29,24)(28,31,32,30)(33,34)(35,40)(36,39)(37,41)(38,42)(43,45)(44,47)(46,48)(2,4)(7,9)(8,12)(14,15)(17,18,22,19)(20,25,27,23)(21,24,29,26)(28,31,32,30)(33,35)(34,36)(37,43)(38,39)(40,42)(41,44)(45,48)(46,47)(2,4)(3,10)(5,13)(14,15)(18,19)(20,27)(21,29)(30,31)(33,36,38,40)(34,39,42,35)(37,45,46,44)(41,43,48,47)(1,3)(2,7)(4,9)(5,11)(6,10)(8,14)(12,15)(13,16)(17,19,22,18)(20,23,27,25)(21,26,29,24)(28,30,32,31)(33,36)(34,35)(37,44)(38,40)(39,42)(41,43)(45,46)(47,48)(1,4,6,2)(3,7,10,9)(5,12,13,8)(11,14,16,15)(17,20,22,27)(18,23,19,25)(21,28,29,32)(24,30,26,31)(33,35)(34,40)(36,42)(37,43)(38,39)(41,45)(44,48)(46,47)(1,5,6,13)(2,8,4,12)(3,11,10,16)(7,14,9,15)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)(33,37,38,46)(34,41,42,48)(35,43,39,47)(36,44,40,45)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.