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