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