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