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