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