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