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