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