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