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