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