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