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