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