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