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