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