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