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