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