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