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