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