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