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