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