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