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