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