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