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)(19,21)(20,23)(22,28)(24,26)(25,30)(27,31)(29,32)(33,34,39,37)(35,41,36,40)(38,42,46,45)(43,48,44,47)(4,11)(8,14)(10,15)(12,16)(17,19)(18,24)(20,21)(22,27)(23,26)(25,31)(28,29)(30,32)(33,35,39,36)(34,40,37,41)(38,43,46,44)(42,47,45,48)(2,7)(3,9)(8,14)(10,15)(18,20)(19,26)(25,28)(27,32)(33,34,39,37)(35,40,36,41)(38,42,46,45)(43,47,44,48)(1,3)(2,5)(4,10)(6,9)(7,13)(8,12)(11,15)(14,16)(17,20,23,18)(19,21,26,24)(22,28,30,25)(27,29,32,31)(33,36,39,35)(34,41,37,40)(38,44,46,43)(42,48,45,47)(1,4,6,11)(2,8,7,14)(3,10,9,15)(5,12,13,16)(17,21)(18,19)(20,26)(22,29)(23,24)(25,27)(28,32)(30,31)(33,37,39,34)(35,41,36,40)(38,42,46,45)(43,47,44,48)(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)(33,38,39,46)(34,42,37,45)(35,43,36,44)(40,47,41,48)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.