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