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