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