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