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