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