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