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