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