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