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