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