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