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