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