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