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