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