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