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